Only a handful of games accept that, you will need to try with savedatafiler
I have seen it work with card 2 and fantasy life that behaves like a card 2can that work on a card 1 game?
can that work on a card 1 game?
You can try with card 1, use liomajor's guide
That's for using card 1 with cia but it could work with different region roms